公开(公告)号：EP3702544A1

公开(公告)日：2020-09-02

申请号：EP20159878.6

申请日：2020-02-27

申请人： ECO (XIAMEN) TECHNOLOGY INC.

发明人： WEI, Wu ,  CHI, Shangfei ,  MIAO, Dangdang ,  GAN, Jiasheng ,  WU, Jinzhen

IPC分类号： E03D1/14 ,  E03D1/34 ,  E03D1/35

摘要： Drain valve with adjustable drainage speed of the present invention uses a reversible flap (10) to control the outlet size of the water outlet (72) of the drain valve, that is, to adjust the water passing area of the water outlet (72) of the drain valve, and then control the drainage speed of the drain valve and finally adjust the drainage speed of the toilet.